→ s² + ½ × a × t
→ 28² + ½ × 12 × 16
→ 784 + 192/2
→ 784 + 96 cm²
→ 880 cm² (A.)
Luas persegi + luas segitiga
[tex](s \times s) + ( \frac{1}{2} \times a \times t) \\ \\ (28 \times 28) + ( \frac{1}{2} \times 12 \times 16) \\ \\ 784 + 96 \\ \\ 880 \: cm²(A)[/tex]
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→ s² + ½ × a × t
→ 28² + ½ × 12 × 16
→ 784 + 192/2
→ 784 + 96 cm²
→ 880 cm² (A.)
Luas persegi + luas segitiga
[tex](s \times s) + ( \frac{1}{2} \times a \times t) \\ \\ (28 \times 28) + ( \frac{1}{2} \times 12 \times 16) \\ \\ 784 + 96 \\ \\ 880 \: cm²(A)[/tex]